Apparently SO!
Please read this following article from Essence.com by Whitney Gaspard
Excerpt:
“This new research reveals that in a sample of 23,000 pre-menopausal Black American women between 1997 and 2009, Black women had reportedly two or three times higher rate of uterine fibroids. In the case of young Black girls, their research shows that there is an association between African-Americans girls who use straightening and relaxer hair oils and the onset of their menstrual cycle.”
Read more: http://www.essence.com/2012/02/24/hair-beat-can-hair-relaxers-cause-uterine-fibroids/#ixzz1trgYpdQH